Assisted Reproductive Technology (ART): A group of infertility treatments in which an egg is fertilized with a sperm outside the body; the fertilized egg then is transferred to the uterus.
Egg: The female reproductive cell produced in and released from the ovaries; also called the ovum.
Embryo: The developing organism from the time it implants in the uterus up to 8 completed weeks of pregnancy.
Endometriosis: A condition in which tissue similar to that normally lining the uterus is found outside of the uterus, usually on the ovaries, fallopian tubes, and other pelvic structures.
Fallopian Tubes: Tubes through which an egg travels from the ovary to the uterus.
Follicles: The sac-like structures in which eggs develop inside the ovary.
Hormones: Substances produced by the body to control the functions of various organs.
Human Chorionic Gonadotropin (hCG): A hormone produced during pregnancy; its detection is the basis for most pregnancy tests.
In Vitro Fertilization (IVF): A procedure in which an egg is removed from a woman’s ovary, fertilized in a dish in a lab with the man’s sperm, and then reintroduced into the woman’s uterus to achieve a pregnancy.
Multiple Pregnancy: A pregnancy in which there are two or more fetuses.
Ovarian Hyperstimulation Syndrome: A condition caused by overstimulation of the ovaries that may cause painful swelling of the ovaries and fluid in the abdomen and lungs.
Ovaries: Two glands, located on either side of the uterus, that contain the eggs released at ovulation and that produce hormones.
Ovulation: The release of an egg from one of the ovaries.
Polycystic Ovary Syndrome: A condition characterized by two of the following three features: the presence of growths called cysts on the ovaries, irregular menstrual periods, and an increase in the levels of certain hormones.
Premature Ovarian Failure: A condition in which ovulation and the menstrual cycle stop before age 35 years.
Progesterone: A female hormone that is produced in the ovaries and that prepares the lining of the uterus for pregnancy.
Sexual Intercourse: The act of the penis of the male entering the vagina of the female (also called “having sex” or “making love”).
Sperm: A male cell that is produced in the testes and can fertilize a female egg.
Ultrasound: A test in which sound waves are used to examine internal structures.
Uterus: A muscular organ located in the female pelvis that contains and nourishes the developing fetus during pregnancy.
Varicocele: Varicose veins in the scrotum.